Ask a Doubt
Request a call back

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

CBSE Class 11-science Answered

4th term
question image
Asked by lovemaan5500 | 12 Jul, 2018, 10:10: PM
answered-by-expert Expert Answer
begin mathsize 16px style open parentheses fraction numerator 3 straight x squared over denominator 2 end fraction minus fraction numerator 1 over denominator 3 straight x end fraction close parentheses to the power of 9 straight T subscript straight n plus 1 end subscript equals straight C presuperscript 9 subscript straight r open parentheses 3 over 2 straight x squared close parentheses to the power of 9 minus straight r end exponent open parentheses fraction numerator negative 1 over denominator 3 straight x end fraction close parentheses to the power of straight r equals straight C presuperscript 9 subscript straight r 3 to the power of 9 minus 2 straight r end exponent over 2 to the power of 9 minus straight r end exponent space straight x to the power of 18 minus 3 straight r end exponent for space the space coeff space of space term space independent space of space straight x space we space need space straight x to the power of 0 comma space straight x to the power of negative 1 end exponent comma space straight x to the power of negative 2 end exponent For space straight x to the power of 0 comma space 18 space minus space 3 straight r space equals 0 comma space straight r equals 6 For space straight x to the power of negative 1 end exponent comma space 18 space minus space 3 straight r space equals negative 1 comma space straight r equals 19 over 3..... not space possible For space straight x to the power of negative 2 end exponent comma space 18 space minus space 3 straight r space equals negative 2 comma space straight r equals 20 over 3..... not space possible therefore straight r equals 6 straight C presuperscript 9 subscript 6 3 to the power of 9 minus 12 end exponent over 2 to the power of 9 minus 6 end exponent equals 7 over 18 end style
Answered by Arun | 16 Jul, 2018, 04:02: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Maths
program to find the minimum element from a list of element along with its index in the list
question image
Asked by sampabarman328 | 18 Apr, 2024, 01:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
find square root of 7+24i
Asked by tahikpreet0001 | 17 Apr, 2024, 06:41: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
if α, ß, Γ be the roots of the equation x^3+px^2+qx+r=0 then find the value of (α+ß-3Γ)(ß+Γ-3α)(α+Γ-3ß)
Asked by nitinkrjsr07082008 | 15 Apr, 2024, 11:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
ug
question image
Asked by nityaboragam | 11 Apr, 2024, 12:14: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
total number of three letter words formed using all the letters of the word "SHINE" is
Asked by kanhaparashar17 | 04 Apr, 2024, 12:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
find 6th term from and of the (x-1/x)⁹
Asked by dseno1741 | 29 Mar, 2024, 08:47: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
in exercise 1.3 1st q ii part abc is not subset of bcd but two elements are common i.e bc but in 2 question same exercise i part ab is subset of  bca how ??  
Asked by parvanipatil09 | 29 Mar, 2024, 10:12: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
find the value of x so that the vectors are (2,7,5) ,(3,-3,6) ,(x,2,-5) may be coplanar
Asked by rishithatelaprolu84 | 29 Mar, 2024, 08:32: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
binomial doubt
question image
Asked by Manjeet | 23 Mar, 2024, 09:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
pair
question image
Asked by rambabum3372 | 21 Mar, 2024, 04:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×