Question

If a + b = 8 and ab = 15, then what is the value of a3 + b3?

A) 98 B) 152 C) 124 D) 260

Answer 1

Answer:

152

Step-by-step explanation:

a + b = 8

ab = 15

a^3 + b^3 = ?

If we put the value of a = 5 and b = 3

then ,

= 5 + 3 = 8

= 5 × 3 = 15

= 5^3 + 3^3 = ?

= 125 + 27 = 152

Answer.......

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