Question

16. Without actual division, state whether the following rational numbers die
terminating decimal. If terminating, then write their decimal expansions,
1311
64
3125
455
15
17. Ir the zeroes of the polynomial x² + 2x + are double to the zeroes of 2x? - 5x.-3.
Then find the values of p and a
18. a) Find LCM and ICT 01 336 and 54 and verify the product of two numbers rule.
(or)
b) Ifa and B are the zeroes of the quadratic polynomial g(x) = 2x² + 7x - 1. Then find
19. Find the quadratic polynomial whose zeroes are in the ratio 2 : 3 and their sum is 15.
SECTION - IV
IV. Answer the following:
21
20. Prove that the difference and quotient of (3+2/3) and (3 - 2/3) are irrational.
21. a) If one zero of the polynomial (p+q) x + 13x + 6p is reciprocal of the other then
(or)
b) Prove that 317 is an irrational.
2. Find the largest number that divides 1251, 9377 and 15628 leaving remainders
1
3. Verify that 3,-1, are the zeroes of the cubic polynomial p(x) = 3x?
3​

Answer 1

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