Question

...... (A)(a+b) (a-b) (B)(a+b)(a +ab+b) f(a+b) (a2-ab+b2) (D) (a-b) (a2+ab+b2)
il 'y varies directly as square root of'x' is written as: (A) yax (B) y a cýa Vx (D) ya
iii) (m-1)2 = m2 - .... + n2.
(A) - mn (B) mn (C) -2mn (D) 2mn
iv) Any line segment joining a vertex of a triangle to a midpoint on the opposite side is called ......
(A) Angle bisector (B
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Answer 1

Answer:

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Answer 2

-ab+ab will cancel itself

There fore a²+b²