Question

If a + b = 11, and ab = 7 then find the value of a3

+ b3



a) 1090 b) 1100 c) 1120 d) none of these ​

Answer 1

Answer:

Option(b)

Step-by-step explanation:

a + b = 11 and ab = 7.

∴ a³ + b³ = (a + b)³ - 3ab(a + b)

=> (11)³ - 3(7)(11)

=> 1331 - 231

=> 1100

∴ a³ + b³ = 1100.

Hope it helps!

Answer 2

Answer:

hey mate

your answer is here,