FIRST TERM EXAMINATION MATHEMATICS(X) SECTION – A 1. State Euclid ’s division lemma. 2. If one zero of polynomial 5 x 2 +13 x + a is reciprocal of the other, find the value of other. 3. In ΔABC, DE||BC meeting AB at D and AC at E. If AB/BD = 4and CE = 2 cm, find the length of AE. 4. If 4 cotA = 3, find the value of (sinA- 4cos) / (sinA+ 4cos) 5. Find the value of 4cot 2 θ − 4cos ec 2 θ . 6. Find the value of sin 36 / 2cos54 - 2sec 41/3cos ec 49 7. Why is 11/30a non ‐ terminating decimal number? 8. Find he value of ‘k’ if following system of equations has no solutions: 3x-y-5=0 ; 6x-2y-k=0. 9. If cosA = 3/5, find 9cot 2 A −1. 10. The point of intersection of o gives is given by ( 20.5, 30.4). What is median ? SECTION – B 11. Is 7×5×3×2+3 a composite num
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