Question

find the value using identity (92×98)​

Answer 1

Answer -

• 9,016

Identity used -

(a + b) (a - b) = a² - b²

Explanation -

• 92 = 95 - 3
• 98 = 95 + 3

Hence,

92 × 98

= (95 - 3) × (95 + 3)

We can solve the above expression using the identity -

(a + b) (a - b) = a² - b²

Where,

• a = 95
• b = 3

Hence,

(95 - 3) (95 + 3)

= (95)² - 3²

= 9,016

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