Question

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Answer 1

QUESTION :-

Subtract a²+b²-2ab from a2+b²+2ab

NOTE :-

same sign = addition

Opposite sign = subtraction

SOLUTION:

a²+b²+2ab-(a²+b²-2ab)

=a²+b²+2ab-a²-b²+2ab

=a2-a2+b2b2+2ab+2ab

=4ab.

Answer of question c

Term Coefficient

1. 16a2 = 16

2. A2 = -1

ANSWER OF Q.D

2 (2x+2xy)+5-xy-2y

=4x +4xy + 5-xy-2y

=4x + 4xy-xy -2y+5

=4x+3xy-2y+5

ANSWER OF Q.E

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Answer 2

Step-by-step explanation:

a) 8x^2-2y^2

b) -4ab

c) I) 16

ii) -1

e) I) 1

ii) -1

iii) 1

iv) 4