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Question
Evaluate :{(7.8)2−(2.2)2}
Evaluate :{(7.8)2−(2.2)2}
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Solution
{(7.8)2−(2.2)2}=(7.8+2.2)(7.8−2.2)=10.0×5.6=56 Ans.
{(7.8)2−(2.2)2}=(7.8+2.2)(7.8−2.2)=10.0×5.6=56 Ans.
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Evaluate :{(7.8)2−(2.2)2}
{(7.8)2−(2.2)2}=(7.8+2.2)(7.8−2.2)=10.0×5.6=56 Ans.