state gov Rajasthan Gram Vikas Adhikari (VDO) Mock Test 2021 Quantitative Aptitude Algebra Linear Equation in 2 Variable

If (a + b)²– 2(a + b) = 80 and ab = 16, then what can be the value of 3a – 19b?

1

-16

2

-14

3

-18

4

-20

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