using some algebraic identity evaluate the following : 503× 495
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503×495
=(500+3)(500-5)
2
=(500) +(3-5)500+(3)(-5)
=250000+(-2)500-15
=250000-1000-15
=250000-1015
=248985
=(500+3)(500-5)
2
=(500) +(3-5)500+(3)(-5)
=250000+(-2)500-15
=250000-1000-15
=250000-1015
=248985
Mohtashim1:
You are correct riya☺
Your brain is faster then me
Riya you will send me a question??
who is riya
sorry! tanya
tanya where r??
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