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Simplify 481/2 :481/2=(124)1/2=(434)1/2=(4)1/2(4)1/2(3)1/2=22*(3)1/2=4(3)1/2
i) 3Z-4WFor this question it is just the matter of substituting the complex numbers of Z and W into the equation. So, 3(4+3i)-4(6-i). Then multiply out the brackets to get 12+9i-24+4i. Finally simply to g...
87°.This is because there are 3 angles and 180° in a triangle. 180°- 60°- 33° = 87...
An acid and metal react to form hydrogen and a salt. For example:Mg + 2HCl ----> MgCl2 + H21 mole of magnesium reacts with 2 moles of hydrochloric acid to form 1 mole of magnesium chl...
As the particle is at rest, the net force acting on the particle must be equal to zero, i.e. Fres = 0Therefore, (15i + j) + (5qi - pj) + (-3pi - qj) = 0Collating 'i' terms: 15 + 5q - 3p = 0 (Equation 1...
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