[3 marks sum]

Questions

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5 questions · timed · auto-graded

Question 13 Marks

Subtract : $2 a b c-a^2-b^2$ from $b^2+a^2-2 a b c$

Answer

$2 a^2+2 b^2-4 a b c$

Question 23 Marks

Subtract : $3 z^3-2 z^2+7 z-8$ from $8-z-z^2$

Answer

$16-8 z+z^2-3 z^3$

Question 33 Marks

Subtract : $3 p^3-5 p^2 q+2 q^2$ from $q^2+p^2 q-4 p^3$

Answer

$-7 p^3+6 p^2 q-q^2$

Question 43 Marks

Subtract : $5 x^2-3 x y-7 y^2$ from $3 x^2-x y-2 y^2$

Answer

$-2 x^2+2 x y+5 y^2$

Question 53 Marks

Subtract : $3 a-2 b+4 c$ from $5 a-3 b-5 c$

Answer

$2 a-b-9 c$

[3 marks sum] - MATHS STD 7 Questions - Vidyadip

MATHS [3 marks sum]