REVISION ASSIGNMENT 06 _ 30.01.2018

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DASS AND BROWN WORLD SCHOOL

Class X                                                               Revision assignment 06

1.       Simplify

2.       Find all the zeroes of the polynomial ( 2x⁴0 –  11x³ + 7x²+13x  –7) , it being given that two of its zeroes are ( 3+ü2) and ( 3 – ü2)

3.       Seven times a two – digit number is equal to four times the number obtained by reversing the order of its digits. If the difference between the digit is 3 , find the number .

4.       Sum of first 14 terms of an AP is 1505 and its first term is 10. Find its 25^th term.

5.       If the Sum of first n, 2n and 3n terms of an AP be S₁, S₂ and S₃ respectively then prove that S₃= 3( S₂  – S₁)

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