Question

a^3+8b^3 if the value of a+2b=10and ab=15​

Answer 1

Answer:550

Step-by-step explanation:

a^3+b^3=a+b[(a+b)^2-3ab]

Here a=A,b=2b

Therefore a^3+b^3=A^3+8b^3

=a+2b[(a+2b)^2-3ab]

=10×100-45

=10×55=550

Answer 2

Answer:

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