Question 3(iii)
Add the following:
(iii) $2 p^{2} q^{2} - 3 p q + 4, 5 + 7 p q - 3 p^{2} q^{2}$

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Solution

(iii) $2 p^{2} q^{2} - 3 p q + 4, 5 + 7 p q - 3 p^{2} q^{2}$
$S u m = 2 p^{2} q^{2} - 3 p q + 4 - 3 p^{2} q^{2} + 7 p q + 5 (a d d i n g l i k e t e r m s)$

Hence, the sum is $- p^{2} q^{2} + 4 p q + 9.$

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Similar questions

Q. Add the following:

2 p^{2} q^{2} - 3 p q + 4, 5 + 7 p q - 3 p^{2} q^{2}

Add: $2 p^{2} q^{2} - 3 p q + 4$ and $5 + 7 p q - 3 p^{2} q^{2}$

Q. Question 3(iii)
Add the following:
(iii)

2 p^{2} q^{2} - 3 p q + 4, 5 + 7 p q - 3 p^{2} q^{2}

Q. Add the following

2 p^{2} q^{2} - 3 p q + 4 = 0

5 + 7 p q - 3 p^{2} q^{2} = 0

Add following.
(i) $a b - b c, b c - c a, c a - a b$
(ii) $a - b + a b, b - c + b c, c - a + a c$
(iii) $2 p^{2} q^{2} - 3 p q + 4, 5 + 7 p q - 3 p^{2} q^{2}$
(iv) $l^{2} + m^{2}, m^{2} + n^{2}, n^{2} + l^{2}, 2 l m + 2 m n + 2 n l$

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Factorisation by Regrouping Terms

Standard VIII Mathematics

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Question 3(iii) Add the following: (iii) 2p2q2−3pq+4,5+7pq−3p2q2

(iii) 2p2q2−3pq+4,5+7pq−3p2q2 Sum = 2p2q2−3pq+4−3p2q2+7pq+5 (adding like terms) Hence, the sum is −p2q2+4pq+9.

Question 3(iii)
Add the following:
(iii) $2 p^{2} q^{2} - 3 p q + 4, 5 + 7 p q - 3 p^{2} q^{2}$

(iii) $2 p^{2} q^{2} - 3 p q + 4, 5 + 7 p q - 3 p^{2} q^{2}$
$S u m = 2 p^{2} q^{2} - 3 p q + 4 - 3 p^{2} q^{2} + 7 p q + 5 (a d d i n g l i k e t e r m s)$

Hence, the sum is $- p^{2} q^{2} + 4 p q + 9.$