2 years ago

Help please someone please

Mathematics

1 answer:

creativ13 [48]2 years ago

5 0

Each girl gets $0.50

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Using suitable identity find 231^222-131^2

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Given:

Consider the expression is

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To find:

The value of given expression using a suitable identity.

Solution:

We have,

$231^2-131^2$

Using the identity $a^2-b^2=(a-b)(a+b)$ , we get

$231^2-131^2=(231-131)(231+131)$

$231^2-131^2=(100)(362)$

$231^2-131^2=36200$

Therefore, the value of the given expression is $231^2-131^2=36200$ .

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