Question

if a+b=7 and ab= 12,find the value of a^3+b^3​

Answer 1

Answer: 25.

Step-by-step explanation:

a+b=7,

ab=12

Factors of 12,  ±1,±2,±3,±4,±6,±12.

Here,  4×3=12 and 3+4=7

So,   a=3,

        b=4

a³+b³=3³+4³

         =9+16

         =25

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