Question

If p - q = 9 and pq = 36, evaluate
(ii) p² - q²
(1) p+q​

Answer 1

Answer:

p²-q²= (12+3)(12-3) according to the formula a²-b²=(a+b)(a-b) and p=12 q=3

p+q=12+3= 15

Step-by-step explanation:

if pq=36 then and p-q=9 then we need to find factors of 36 whose difference is 9 which are 12 and 3 so we take p=12 and q=3

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