simplify the expression 2(a2 + ab) - ab and find its value if a=5 and b=2
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a = 5
b = 5
2(a²+ ab) - ab
= 2a² + 2ab - ab
= 2 × 5² + 2 × 5 × 2 - 5 × 2
= 2 × 25 + 20 - 10
= 50 + 20 - 10
= 50 + 10
= 60
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0
Answer:
. Construct SAW if SA = 5cm, m<S =300
and m<A=1000
Step-by-step explanation:
Please tell the answer
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