Question

Evaluate using suitable identity:b). 51²​

Answer 1

Answer:

★ Solution :-

$\sf \longmapsto 51^2$

$\sf \longmapsto (a + b)^2 = a^2 + 2ab + b^2$

Here,

• a = 50
• b = 1

$\sf \longmapsto (50 + 1)^2 = 50^2 + 2(50)(1) + 1^2$

$\sf \longmapsto 50^2 + 2(50)(1) + 1^2$

$\sf \longmapsto 2500 + 100 + 1$

$\sf \longmapsto 2601$

Hence,solved.

Answer 2

Step-by-step explanation:

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