If p=4, q=-3 and r =2 5hen find the value of p3 + q3 - r3 - 3pqr
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Answered by
25
Hi
p = 4 , q = - 3 , r = 2
Value of p³ + q³ - r³ - 3pqr
= 4³ + ( -3 )³ - 2³ - 3 × 4 × ( - 3 ) × 2
= 64 - 27 - 8 + 72
= 136 - 35
= 101
I hope this helps you.
:)
p = 4 , q = - 3 , r = 2
Value of p³ + q³ - r³ - 3pqr
= 4³ + ( -3 )³ - 2³ - 3 × 4 × ( - 3 ) × 2
= 64 - 27 - 8 + 72
= 136 - 35
= 101
I hope this helps you.
:)
tanya2601:
thanks a lot....it was a homework by a very very strict teacher so thanksssss a lot
Answered by
8
soln:
p³ + q³ - r³ - 3pqr= 4³+(-3)³ -2³ - 3×4×(-3)×2=64-27-8+72
=136-35
=101
p³ + q³ - r³ - 3pqr= 4³+(-3)³ -2³ - 3×4×(-3)×2=64-27-8+72
=136-35
=101
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