Question

evaluate a³+2b²+5 if a=2 and b = 3 please fast​

Answer 1

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2³+2(3)²+5

8+18+5

31

Answer 2

Given :-

a = 2

b = 3

To solve :-

a³+2b²+5

Solution :-

a³ + 2b² + 5

Substitution the value of a and b.

= (2)³ + 2 × (3)² + 5

= 8 + 2 × 9 + 5

[(2)³ = 8, (3)² = 9]

= 8 + 18 + 5

= 31

Answer :-

The answer of a³+2b²+5 if a=2 and b = 3 will be 31.