Multiple Choice Questions

If a 2 and b 5 then find the value of a3 b3 ndash a2 b2 2a ndash 3b ........

Mathematics (NDA) Algebra

If a = -2 and b = -5 then find the value of a³ + b³ – a² + b² + 2a – 3b

-98

-100

101

-101

a³ + b³ – a² + b² + 2a – 3b
(-2)³ + (-5) ³ – (-2)² + (-5)² + 2(-2) – 3(-5)
= -8 -125-4+25-4+15 = -101

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