How to factorise 2x⁴-7x²-4?
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solve by splitting the middle term.
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Step-by-step explanation:
Work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of force. By resolving force →F into two components : (i) F cosθ in the direction of displacement of the body. (ii) F sinθ in the perpendicular direction of displacement of the body.
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