Question

If p-q = -8 , pq = -12 , then find the value of p3 - q3 pls only answers

Answer 1

Answer:

The answer is -224.

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Answer 2

Answer:

the answer is -224

Step-by-step explanation:

this question has 2 parts and by solving those we get same answer

the explanation is: p-q = -8

= p = -8+q ........ (i)

pq = -12 .......... (put here i)

= (-8+q)q = -12

= -8q + q² = -12

= q² -8q + 12 = 0

solve using SHRIDHARACHARYA'S quadratic formula, and you will get

q = (8±√16)/2

by solving further you will get the value of q, put it in (i)

and. you will get the value of p³-q³ same in both the cases it's -224