NDA Government Jobs Exams

The general solution of the differential equation ln(dy/dx)+x=0
is

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NDA Other Question

What is the area of the triangle bounded by the sides x = 0, y = 0 and x + y = 2 ?
(a) 1 square unit (b) 2 square unit (c) 4 square unit (d) 8 square unit
If β
r
is perpendicular to both α r and γ r where kˆ = α r and kˆ 4 jˆ 3 iˆ γ = 2 + + r , then what is β
r
equal to