Find the value of using suitable identity

9999

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8999

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9989

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9998

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Solution

The correct option is A
9999

101 × 99 = (100 + 1) (100 - 1)

= 100² - 1² = 10000 – 1

= 9999

Suggest Corrections

Similar questions

{(11)}^{3}

102^{2}

(98)^{3}

{4.9}^{2}

493 \times 504

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