subtract ( a²+ b²+ 2ab) from ( a²+ b²-2ab)
Answers
Answered by
1
Answer:
-4ab
Step-by-step explanation:
for subtraction we take the 2nd term first
a² + b² - 2ab
a² + b² + 2ab
after changing signs i.e + as - and - as +
= 0 + 0 - 4ab
therefore the answer is -4ab
Answered by
1
Answer:
Ans :-
- 4ab
Step-by-step explanation:
Q. (a² + b² + 2ab) - (a² + b² - 2ab)
Ans :- Remove unnecessary parenthese. ( )
= a² + b² + 2ab - a² - b² + 2ab
Since two opposites add up to zero, remove them from the expression.
= 2ab + 2ab
Calculate the sum.
= 4ab
Ans :- 4ab
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