The correct option is C 9975Apply the formula (a + b) (a – b) = a2 – b2 We have, (100 + 5) (100 5) = (100)2 – (5)2 = 1 ...

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Ionic Compounds: Chemical Formula

Evaluate: 105...

Question

Evaluate: 105 x 95

9925

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9905

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9075

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9975

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Solution

The correct option is D
9975

Apply the formula (a + b) (a – b) = a² – b²

We have,

(100 + 5) (100 - 5) = (100)² – (5)²

= 10000 – 25

= 9975

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Similar questions

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Question 86 (ix)

Using suitable identities, evaluate the following:

$105 \times 95$

Question 86 (ix)

Using suitable identities, evaluate the following:

$105 \times 95$

Evaluate: $104 \times 105$

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