Question

If a² + b2 = 10 and ab = 3; find :
(i) a - b (ii) a + b​

Answer 1

Step-by-step explanation:

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I want point only,

Answer 2

Step-by-step explanation:

i)a-b

(a-b)^2=a^2+b^2-2ab

=10-(2×3)

=10-6

=4

taking root both side

a-b=2

Similarly,

(a+b)^2=a^2+b^2+2ab

=10+2×3

=10+6

=16

Taking root both side we get...

a+b=4