Question

if a-3 = 10/a then value of a is​

Answer 1

Answer:

a² - 3a -10 = 0

a = 1 , b = -3 , c = -10

D = b² - 4ac

D = 9 - 4 ( 1 ) ( -10)

D = 49

A = √D ± b / 2a

A = {7 ± (-3)} / 2

A = 2 or 5

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Answer 2

13/2

a-3 =10/a

a*a=10+3

2a =13

a. =13/2