Question

) 8p^ 5 q ^7 – 2p^ 5 q^ 7 + 3p ^5 q^ 7

d) 48p ^6 q^ 8 rz ÷ 8p^ 5 q ^5 r

pls answer fast with method

Answer 1

option b is correct

Step-by-step explanation:

Given, 8p−9q=7q+3p

⇒8p−3p=7q+9q

⇒5p=16q

⇒

q

p

=

5

16

On multiplying numerator by 2 and denominator by 5 both sides, we get

⇒

5q

2p

=

25

32

⇒

5q

2p

=

25

25+7

⇒

5q

2p

=1+

25

7

⇒

5q

2p

=1

25

7

Option B is correct.