Which of the following equation (s) has (have) only natural solution(s)
(A) `6.9^(1//k)-13.6^(1//k)+6.4^(1//k)=0`
(B) `4x.sqrt(8^(x-1))=4`

Which of the following equation (s) has (have) only unity as the solution. (A) 2(3^(x+1))-6(3^(x-1))-3^(x)=9 (B) 7(3^(x+1))-5^(x+2)=3^(x+4)-5^(x+4)

Which of the following equation (s) has (have) only unity as the solution. (A) 2(3^(x+1))-6(3^(x-1))-3^(x)=9 (B) 7(3^(x+1))-5^(x+2)=3^(x+4)-5^(x+4)

Which of the following equation (s) has (have) only unity as the solution. (A) 2(3^(x+1))-6(3^(x-1))-3^(x)=9 (B) 7(3^(x+1))-5^(x+2)=3^(x+4)-5^(x+4)

The following equations have equal roots find k in each equation. (k + 4)x^² + (k + 1) x +1 = 0

Find the value of k for which following system of equations have infinitely many solution: x+(k+1)y=4,\ \ \ \ (k+1)x+9y=5k+2

Find the value of k for which following system of equations have infinitely many solution: x+(k+1)y=4,quad (k+1)x+9y=5k+2

Find the value of k for which following system of equations have infinitely many solution: 2x+3y=7,\ \ \ \ (k+1)x+(2k-1)y=4k+1

Find the value of k for which following system of equations have infinitely many solution: 2x+3y=7,quad (k+1)x+(2k-1)y=4k+1

The pair of linear equations 2x+3y=5 and 4x+ky=10 has infinite solutions if a)k=0 b)k=1 c)k=3 d)k=6