Questions

MATCH THE FOLLOWING.

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2 questions · timed · auto-graded

Question 14 Marks
Column IColumn II
(i) $\quad\left(x^2+5 x+6\right)$(a) $\quad(x+1)(x+1)$
(ii) $\quad\left(x^2+4 x+4\right)$(b) $\quad(x+2)(x-2)$
(iii) $\quad\left(x^2+2 x+1\right)$(c) $\quad(x+2)(x+3)$
(iv) $\quad\left(x^2-6 x+9\right)$(d) $\quad(x+2)(x+2)$
(e) $\quad(x-3)(x-3)$
Answer
(i) → (c), (ii) → (d), (iii) → (a), (iv) → e
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Question 24 Marks
Column IColumn II
(i) $\quad(21 x+13 y)^2$(a) $441 x^2-169 y^2$
(ii) $(21 x-13 y)^2$(b) $441 x^2+169 y^2+546 x y$
(iii) $(21 x-13 y) \times(21 x+13 y)$(c) $441 x^2+169 y^2-546 x y$
Answer
(i) → (b), (ii) → (c), (iii) → (a)
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MATCH THE FOLLOWING. - MATHS STD 8 Questions - Vidyadip