Question

Please answer all...
1. If x-1 is a factor of k²x²-4kx+4k-1, then the value of k is ?
2. If 2 and 3 are zeroes of 2x³+mx-13x+n, then find the value of m and n
3. If 2r=h+root(r²+h²) find h:r
4. Quadratic polynomial having zeroes 1 and -2 is
5. If two positive integers x and y are written as x=a²b² and y=ab⁴ where a and b are prime numbers then HCF(x,y) is ?
6. The remainder on dividing given integer by a and b by 7 are respectively 5 and 4, then remainder when ab is divided by 7 is
7. If x-4 is a factor x³+ax²+2bx-24 and a=b+8, then find the values of a and b
8. The minimum value of x+1/x is (x is greater than 0)
9. The value of x and y if x+2=5 and 2x-3y=-4
10. The value of x and y if 3(2x+y)=7xy & 3(x+3y) = 11xy

Please it's very very urgent

Answer 1

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