Question

11. Find the value of ab and a2 + b2 in the following:
(i) If a + b = 5 and a3 + b3 = 35​

Answer 1

Answer:

a² + b² = 13

Step-by-step explanation:

5= 2 +3

a³ = 8

b³=27

a²= 2×2

=4

b²= 3×3

=9

a²+b² = 4 +9

=13

a² + b² = 13

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