Q3. Using identity evaluate: (a - b)2 – (a + b)2
A. 2a-2b2
B. a2-b2
C. 4ab
D. -4ab
D A
Ов
OC
D
Answers
Answered by
1
Answer:
option (d)
Step-by-step explanation:
(a-b)²-(a+b)²
=a²+b²-2ab-(a²+b²+2ab)
=a²+b²-2ab-a²-b²-2ab
=-4ab
Answered by
0
Answer:
first plz tell me by using which identity we have to evaluate
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