Question

if a+b=11and ab=28 then find the value of a cube + b cube...​

Answer 1

Answer:

hey here is your answer mate.

Step-by-step explanation:

let a=4 b=7

then,a+b=11. ab=4×7=28

a cube + b cube =(a+b)(a square -ab+b square)

43+73=(4+7)(42-28+72)

=11×(16-28+49)

=11×(-12+49)

=11×37

=407(answer)

ANSWER IS COMPLETED.