What is the value of $(51)^{2} - (49)^{2}$ ?

300

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200

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100

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Solution

The correct option is B 200
Using, $a^{2} - b^{2} = (a + b) \times (a - b)$
$(51)^{2} - (49)^{2}$
$= (51 + 49) (51 - 49) = (100) (2) = 200$

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Similar questions

(51)^{2} - (49)^{2} = 100 p

Use suitable identities and find

(51)² - (49)²

49^{2}

Question 78

In the following question, state whether the statement is True (T) or False (F):

The value of p for $51^{2} - 49^{2} = 100 p$ is 2.

a^{2} - b^{2} = (a + b) (a - b)

51^{2} - 49^{2}

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