(78 95)2 - (43 35)2 =

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(78.95)² - (43.35)² = ?

A. 4148

B. 4235.78

C. 4305

D. 4353.88

E. None of these

Answer: Option D

Solution(By Examveda Team)

(78.95)² - (43.35)²
= (78.95 + 43.35) (78.95 - 43.35)
= 122.3 × 35.6
= 4353.88
[∵ a² - b² = (a + b) (a - b)]

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