Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 10 Answered

Please answer this question.
question image
Asked by Farheen1447 | 20 May, 2019, 16:38: PM
answered-by-expert Expert Answer
begin mathsize 16px style 4 to the power of straight x minus 1 end exponent space plus space 3 cross times 2 to the power of straight x plus 1 end exponent space minus space 64 space equals space 0 rightwards double arrow fraction numerator space 4 to the power of straight x space over denominator 4 end fraction space plus space 6 space cross times space 2 to the power of straight x space minus space 64 space equals space 0 rightwards double arrow space 4 to the power of straight x space plus space 24 cross times space 2 to the power of straight x space minus space 256 space equals space 0 rightwards double arrow space open parentheses 2 to the power of straight x close parentheses squared space plus space 24 cross times space 2 to the power of straight x space minus space 256 space equals space 0 rightwards double arrow space open parentheses 2 to the power of straight x close parentheses squared space space plus space 32 space 2 to the power of straight x space minus space 8 space 2 to the power of straight x space minus space 256 space equals space 0 rightwards double arrow 2 to the power of straight x open parentheses 2 to the power of straight x space plus space 32 close parentheses space minus space 8 open parentheses 2 to the power of straight x space plus space 32 close parentheses space equals space 0 rightwards double arrow space open parentheses 2 to the power of straight x space plus space 32 close parentheses space open parentheses 2 to the power of straight x space minus space 8 close parentheses space equals space 0 rightwards double arrow 2 to the power of straight x space equals space minus 32 space or space 2 to the power of straight x space equals space 8 2 to the power of straight x space equals space minus 32 space is space not space acceptable. 2 to the power of straight x space equals space 8 rightwards double arrow 2 to the power of straight x space equals space 2 cubed rightwards double arrow space straight x space equals space 3 end style
Answered by Yasmeen Khan | 20 May, 2019, 17:37: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 10 - Maths
find AP whose 6 th term = 5 and 10 th term=9
Asked by ag1106511 | 17 Jul, 2024, 00:41: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
sum of 10 tems of ap is 35 and sum of 9 terms of ap is 28. find the 10th term of an ap.
Asked by astonfern123 | 14 Jul, 2024, 20:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
the speed of an aeroplane by 40 km per hour it takes Minutes more to cover 1200km find speed of the aeroplane
Asked by anjumnahida176 | 23 Jun, 2024, 15:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
hhg
question image
Asked by rajibjena122 | 19 Jun, 2024, 20:28: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
9 years ago grandfathers age was 9 times the grandsons age at that time after 15 years age will be ET rice as the grandsons age find their present age
Asked by rupalipatange0 | 13 Jun, 2024, 20:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
let c be the path leading from the origin to the point (1,1,1) show that integral over c [2xydx+(x²+2yz)dy+(y²+1)dz]=3
Asked by tanushreetanu46t | 12 Jun, 2024, 22:59: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
show that integral over c [y²dx+2xy dy] is independent of the path joining 0,1 and 1,3 and hence evaluate
Asked by varucreations16 | 12 Jun, 2024, 22:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
evaluate integral over c (2x+y)ds where c is the circle x²+y²=25 on the xy plane from the points 3,4 to 4,3
Asked by varucreations16 | 09 Jun, 2024, 15:02: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
If two coins are tossed, what is the probability of getting(1) 2 heads (2) no heads (3) at least 1 head
Asked by rakesh_shukla2006 | 06 Jun, 2024, 12:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
(a²+c²),(ab+cd) and (b²+d²) and in continued proportion, prove that a,b,c,d are in the proportuon
Asked by raghutangi04 | 30 May, 2024, 19:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Are You a Teacher or a Parent Seeking Customised Tests? Click here
×