x * X2 = ?
well, lets devide up it into pieces:
x2= x * x
x * x * x =?
Ans : x3
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16 to the 4th power, or 16 x 16 x 16 x 16 = 65,536
No. Cos squared x is not the same as cos x squared. Cos squared x means cos (x) times cos (x) Cos x squared means cos (x squared)
x squared means x times x. Since x can be any number, x times x can also be any number.
x cubed, or x³
x2 + 8x2 = 9x2