solve using identity (98)²
Answers
Answered by
2
Answer:
Step-by-step explanation:
98 = 100-2
So, 98²= (100-2)²
= (100)²-2X100X2+(2)² [a-b]²=a²-2ab+b²
=9600+4
=9604.
Answered by
3
Answer:
9604
Step-by-step explanation:
98=100-2
[a-b]^2=[100-2]^2
a^2-2ab+b^2=100^2-2*100*2+2^2
10000-400+4
9604
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