plz i want this answer immediately...
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Answered by
2
97*99
=97*(100-1)
= 9700-97
= 9603
2 Nd method
97*99
= (98-1)(98+1)
using identity (a-b)(a+b)
= a²-b²
= 98²-1²
= 9604-1 = 9603
=97*(100-1)
= 9700-97
= 9603
2 Nd method
97*99
= (98-1)(98+1)
using identity (a-b)(a+b)
= a²-b²
= 98²-1²
= 9604-1 = 9603
caroline13:
is this the right one
can u give me the answer using the formula(a+b)(a-b)
thnk u
iilysm
ilysm
its so eazy
i realised ir now
Answered by
1
9603 I done it OK its the answer
thank u
it's ok
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