Ask a Doubt
Request a call back

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

CBSE Class 12-science Answered

Determinants
question image
Asked by alanpeter9611 | 15 Feb, 2019, 18:18: PM
answered-by-expert Expert Answer
begin mathsize 12px style D space equals space open vertical bar table row 1 a cell a squared end cell row cell a squared end cell 1 a row a cell a squared end cell 1 end table close vertical bar space b y space d o i n g space left parenthesis R subscript 2 minus a squared R subscript 1 right parenthesis space space comma space i. e space m u l t i p l y i n g space f i r s t space r o w space b y space a squared space a n d space a f t e r space s u b t r a c t i n g space f r o m space s e c o n d space r o w comma space D space equals space open vertical bar table row 1 a cell a squared end cell row 0 cell 1 minus a cubed end cell cell a minus a to the power of 4 end cell row a cell a squared end cell 1 end table close vertical bar S i m i l a r l y space b y space d o i n g space left parenthesis R subscript 3 minus a R subscript 1 right parenthesis D space equals space open vertical bar table row 1 a cell a squared end cell row 0 cell 1 minus a cubed end cell cell a minus a to the power of 4 end cell row 0 0 cell 1 minus a cubed end cell end table close vertical bar space equals space open parentheses 1 space minus space a cubed close parentheses squared end style
Answered by Thiyagarajan K | 16 Feb, 2019, 16:04: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 12-science - Maths
1/X function defined for
Asked by pranavbhu249 | 12 Jul, 2024, 21:53: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
tan^-1= cot^-1x,x>0
question image
Asked by chinnuambichinnuambi | 12 Jun, 2024, 19:07: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
pie by 180 kaise aya
question image
Asked by nirbhaysingh16102004 | 12 Jun, 2024, 10:04: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
1+1
Asked by adityakale2041 | 11 Jun, 2024, 19:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
l didn't get the 2nd step, if we open the first step it becomes vast so how we got the second step as a simplified version.
question image
Asked by niharika198two | 11 Jun, 2024, 11:36: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
A projectile is thrown at an angle ? with the horizontal with speed u. After some time, it makes an angle a with the horizontal. The speed of the projectile at that instant is
Asked by gunguncutem4 | 07 Jun, 2024, 20:02: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Z= 3 i power 20 - i power 19 ÷ 2i- 1
Asked by dharnidharni278 | 06 Jun, 2024, 18:30: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
cos(2cos?1x)+cos(2sin?1x)=0 for
Asked by eswarvajrapu | 06 Jun, 2024, 00:37: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
find A-1 where A=[111][12-3][2-13] and hence solve the equations x+y+2z=0,x+2y-z=9,x-3y+3z=-14
Asked by laksitaprakash17 | 31 May, 2024, 23:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
slove tan–¹2x+tan–¹3x=?\4
Asked by anushkashr4 | 29 May, 2024, 09:09: AM
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
×