1.

106 × 106 + 94 × 94 = A, find the value of A?1. 200722. 200323. 230324. 21032

Answer» Correct Answer - Option 1 : 20072

Concept used:

(a + b)2 = a2 + b2 + 2ab

Calculation:

(106 + 94)2 = 1062 + 942 + 2 × 106 × 94

⇒ 2002 = 1062 + 942 + 19928

⇒ 40000 – 19928 = 1062 + 942

⇒ 20072 = 1062 + 942

∴ The value of A is 20072



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