Math, asked by pradhanbinita841, 7 months ago

If a^2 +b^2=10 and ab=3;find: (i) a-b.

Answers

Answered by aravinthpm
7

Step-by-step explanation:

(a –b)2 = 10 – 2 × 3

⇒ (a –b)2 = 10 – 6

⇒ (a –b)2 = 4

⇒ (a –b) =

⇒ a – b = 2

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Answered by Anonymous
1

Answer:

(i) (a –b)2 = a2 + b2 – 2ab

⇒ (a –b)2 = 10 – 2 × 3

⇒ (a –b)2 = 10 – 6

⇒ (a –b)2 = 4

⇒ (a –b) =

⇒ a – b = 2

(ii) (a + b)2 = a2 + b2 + 2ab

⇒ (a +b)2 = 10 + 2 × 3

⇒ (a + b)2 = 10 + 6

⇒ (a + b)2 = 16

⇒ (a + b) =

⇒ (a + b) = 4.

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