Q1. Simplify: (i) 2x2 (x3 – x) – 3x (x4 + 2x) – 2 (x4 – 3x2) (ii) x3y (x2 – 2x) + 2xy (x3 – x4) (iii) 3a2 + 2 (a+2) – 3a (2a+1) Q2. Find the product of the following binomials: (i) (2x + y) (2x + y) (ii) (a + 2b) (a – 2b) (iii) (a2 + bc) (a2 – bc) Q3. If x – 1/x = 3, find the values of x2 + 1/ x2 and x4 + 1/ x4. Q4. If x + y = 4 and xy = 2, find the value of x2 + y2 Q5. If x2 + y2 = 29 and xy = 2, find the value of (i) x + y (ii) x – y (iii) x4 + y4 Pls answer quickly..........Have to submit
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