Grade 99 grade maths
if p+q+r=1 and pq+qr+pr= -1 and pqr=-1,find the value of p^3+q^3+r^3.
if p+q+r=1 and pq+qr+pr= -1 and pqr=-1,find the value of p^3+q^3+r^3.
3 Answers
Saurabh Koranglekar
use this and simplify RHS p+q =1-r likewise
the final answer will come to be 1
Regards
Vikas TU
Dear student
Please refer the clear image ,
The image above does not looks good , it is blurr.
Hope for the best
Good Luck
Cheers
Please refer the clear image ,
The image above does not looks good , it is blurr.
Hope for the best
Good Luck
Cheers
Devendra Gautam
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