The equation `asinx+bcosx=c,` where `|c|gtsqrt(a^2+b^2)` has (A) a unique solution (B) infinite number of solutions (C) no solution (D) none of these

The equaltion a sin x+b cos x=c, where |c|gtsqrt(a^(2)+b^(2)) has

Q.20 The equation sin^(-1)x-cos^(-1)x=cos((sqrt(3))/(2))has(A)no solution (C) infinite number of solutions (D) none of these

The homogeneous system AX=0of n linear equation in n variables has (A) a unique solutions if |A|!=0 (B) infinitely many solution if |A|=0 (C) no solution (D) none of these

The system of equation |z-1-i|=sqrt(2) and |z|=2 has (A) one solutions (B) two solution (C) three solutions (D) none of these

The pair of equations 2x-5y+4=0 and 2x+y-8=0 has (a) a unique solution (c) infinitely many solutions (b) exactly two solutions (d) no solution

The equation pi^(x)=-2x^(2)+6x-9 has (A) no solution (B) one solution (C) two solutions (D) infinite solutions

The equation x-(8)/(|x-3|)=3-(8)/(|x-3|) has only one solution (b) infinite solutions no solution (d) none of these

The pair of equations x+2y+5=0 and -3x-6y+1=0 has (a) a unique solution (c) infinitely many solutions(d) no solution (b) exactly two solutions

The system of equation x+y+z=2,3x-y+2z=6 and 3x+y+z=-18 has a unique solution (b) no solution an infinite number of solutions zero solution as the only solution

The system of equation x+y+z=2 , 3x-y+2z=6 and 3x+y+z=-18 has (a) a unique solution (b) no solution (c) an infinite number of solutions (d) zero solution as the only solution