evaluate 1/2a6-4b^2 for a=-2 and b=4

Answer 1

To evaluate the expression 1/(2a6 - 4b^2) for a = -2 and b = 4, we substitute the given values into the expression.

1/(2(-2)6 - 4(4)^2)

Simplifying inside the parentheses:

1/(2(-12) - 4(16))

1/( -24 - 64)

1/( -88)

The answer is -1/88.