a:b = 1:2 എങ്കിൽ 3(a-b) എത?

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a:b = 1:2 എങ്കിൽ 3(a-b) എത?

A-3/2b

B $3/2b$

C $2/3b$

D $1/3b$

Answer:

A. -3/2b

Read Explanation:

a:b = 1 :2 a/b = 1/2 a = b/2 3(a-b) =3(b/2 - b) =3(-b/2) =-3/2 b

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