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2)If alpha and beta are zeroes of a polynomial p(x)=x2 + ax + b then polynomial having 1 /alpha and 1 /beta and its zero is A)x2 - bx + a B)bx2 +ax+1 C)ax2 + bx +1

3)the decimal expansion of 211 / 2*2*2*2* * 5*5*5*5*5*5 is terminate after how many places of decimals ?

4)if p and q are 121 and 343 ,then the H.C.F of p and q is _________

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1) coincident as a1/a2 is not equal to b1/b2
2) bx^2 +ax+1 , 3)4 places of decimal
,4)121 , 5) 3+ root7. 5)don't get the question 6) 3*5 , 7)4x^2-1, 8) infinite ,9)p(-1)=4 p(0)=1 , 10)12/15 as 12/15=4/5 which is terminating