Question

(1.98×1.98-1.02×1.02)÷0.96 using

Answer 1

Answer:

Step-by-step explanation:cosider that 1.98=A &1.02=B

So( A^2 - B^2)=( A + B)(A - B) ,, Now (1.98 +1.02)(1.98 - 1.02)/0.96 = 3× 0.96/0.96= 3

Answer 2

Answer:

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