Question

1) In a graph representing a pair of linear equations, if the lines intersect each other,
then the equations have
(A) exactly two solutions
(B) infinitely many solutions
(C) unique solution
(D) no solution
2) If a' is the first term and / is the last term of an arithmetic progression then sum
of its first ºn terms is given by
(A) S = (a - 1
(C) S = n(a-1)
(B) S = n(a +1)
(D) S. = (a + 1​

Answer 1

Answer:

1 is the correct answer please make me brainly