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Subjects
Mathematics State Board
Class 8
Algebra
Application of identities
1.
One mark exercise problems I
Exercise condition:
2
m.
1
. If \(x^2 - y^2 = 16\) and \((x + y) = 8\) then \((x - y)\) is
1
8
2
3
.
2
. \(\frac{(a + b)(a^3 - b^3)}{(a^2 - b^2)} =\)
\(a^2 - 2ab + b^2\)
\(a^2 + ab + b^2\)
\(a^2 - ab + b^2\)
\(a^2 + 2ab + b^2\)
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