the value of 6 a2 b2 - 4 ab when a = 2 and b=-1
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Step-by-step explanation:
6 a2 b2 - 4 ab
= 6× (2²)×1² - 4×2×1
=24 - 8
=16
Answer: 40
Step-by-step explanation:
6 a2 b2 - 4 ab
A=2
B=1
622212-421
=48-8
=40
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