1.

If 2a - 9 = b+ a, then the value of (|a - b| + |b - a|) is :

Answer»

18
11
1
0

Solution :`THEREFORE` 2a - 9 = B + 8A`
` RARR 2a - a = b + 9 `
` rArr a = b + 9 `
`rArr a - b = 9 or b - a = -9 `
`abs(a-b)+abs(b-a)=abs9+abs(-9) = 9 + 9 = 18`


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