Evaluate using identities 53 x 55
Answers
Answered by
126
53×55= (50+3) (50+5)
by identity (x+a)(x+b)=x²+(a+b)x+ ab
50²+(3+5)50+3×5
2500+400+15
2915 ans....
hope it helps you
by identity (x+a)(x+b)=x²+(a+b)x+ ab
50²+(3+5)50+3×5
2500+400+15
2915 ans....
hope it helps you
sushmitasharma:
please mark it as brainliest...i need it
thanks aman.....
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Answered by
25
Hey here is your answer
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= 53 × 55
= ( 55 - 2 ) × 55
= (55 × 55 ) - ( 2 × 55 )
= 3025 - 110
= 2915
_______________________
_______________________
= 53 × 55
= ( 55 - 2 ) × 55
= (55 × 55 ) - ( 2 × 55 )
= 3025 - 110
= 2915
_______________________
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