Subject
Quantitative Aptitude
Topic
Solution
If b+a=x and a-b=y, then a2-b2= ?
If b+a=x and a-b=y, then a2-b2= ?
ক)
xyখ)
(x^2-y)/2গ)
2xyঘ)
(xy)/2Explanation
b + a = x or, a + b = x Now, a2-b2 = (a+b)(a-b) = xyRelated questions
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