Simplify the given expression and find its value when = 1, = −1, = 2. ( 2 − ) + (2 − ) + ( 2 − ) + 3n
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Answer:
Given: 2(a
2
+ab)+3−ab
⇒2a
2
+2ab+3−ab
⇒2a
2
+2ab−ab+3
⇒2a
2
+ab+3
⇒2(5)
2
+(5)(−3)+3 [Putting a=5,b=−3]
⇒2×25−15+3
⇒50−15+3
⇒38
Step-by-step explanation:
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