Question
If 8x2 + y2 − 12x − 4xy + 9 =
0, then the value of (14x − 5y) is :Solution
8x²+y²-12x-4xy+9 = 0 8x²+y²-12x-4xy+9 = 0 (2x-y) ² + (2x-3) ² = 0 ∴ 2x-3 = 0 ⇒ x = 3/2 2x-y = 0 3-y = 0⇒ y= 3 ∴ (14x-5y) = 14× 3/2 − 5 × 3 = 21-15 = 6
Commercial rearing of silk worms is known as:
Which institute formulated vaccines on Rinderpest?
Cows’ stomach has four different compartments to it, which one is the known as true stomach ?
What is the field capacity of tractor drawn power harrow?
Rainfed area in India presently constitute about _____________ % of the not cultivated area.
The lowest layer of atmosphere is known as Troposphere. It extends upto a height of _____ km along the equater and ____km along the poles.
What is the main objective of using a disc harrow in secondary tillage?
Both stem and root nodulated Sesbania species is:
According to RBI rules how much loan can be given to poor and small farmers?
The most homogeneous category on the soil taxonomy is
Relevant for Exams:
