Math, asked by earthquake7464, 7 months ago

Evulate 75×65 using a suitable identity

Answers

Answered by mysticd
0

 Value \: of \: 75 \times 65

 = ( 70 + 5 )( 70 - 5 )

/* By algebraic identity */

 \boxed{\pink { (a+b)(a-b) = a^{2} - b^{2} }}

 = 70^{2} - 5^{2}

 = 4900 - 25

 = 4875

Therefore.,

 \red{Value \: of \: 75 \times 65}\green { = 4875}

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