Question

13 Given 2p = 1, calculate the value of r if p= 3 and q = -30.

1-4
r-4
А
-9
B
-6
С
-2
D-1

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

p

3

+q

3

−r

3

−3pqr

Put the value of p=4, q=−3 ,r=2, we get

p

3

+q

3

−r

3

−3pqr

=(4)

3

+(−3)

3

−(2)

3

−3×4×−3×2

=64−27−8+72

=136+−35=101