Factorise the following expressions.(i) p 2-q 2 (ii) 4x2 - 25y – InterviewSolution

1.	Factorise the following expressions.(i) p 2-q 2 (ii) 4x2 - 25y2 (iii) y2 - 4 (iv) p2 - 125(v) 9x2 -116y2(vi) 12y2−8z2
Answer» Factorise the following expressions. (i) p ²-q ² (ii) 4x² - 25y²(iii) y² - 4 (iv) p²- $\frac{1}{25}$ (v) 9x²- $\frac{1}{16 y 2}$ (vi) $12 y^{2} - 8 z^{2}$

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