Question

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Answer 1

Answer:

Given

p-q = 9

pq= 36

Given

( p-q) = 9

( p-q) ^2= 9^2

p^2+ q^2 - 2 pq = 81

P^2 + q ^2 - 2 × 36 = 81

p ^2 + q ^2 - 72 =81

p^2+q^2 = 81+72

p ^2 + q ^2 = 153

we know that

( p + q) = (p^2+ q^2)+2pq

( p + q )^2= 153+72

p + q =

$\sqrt{225 = 15 \\ }$

p^2 - q ^2 = ( p + q ) ( p-q)

= 15×9

= 135

Step-by-step explanation:

HOPE IT HELPS YOU

Answer 2

Answer:

taking the points✌️☺️