Mathematics
A = [[x 0][1 1]], B = [[4 0][y 1]] and C = [[4 0][x 1]] . Find the values of x and y, if AB = C.
Related Questions
In the given diagram, ∆ABC ∼ ∆PQR. If AD and PS are bisectors of ∠BAC and ∠QPR respectively then:
∆ABC ∼ ∆PQS
∆ABD ∼ ∆PQS
∆ABD ∼ ∆PSR
∆ABC ∼ ∆PSR

15, 30, 60, 120 …… are in G.P. (Geometric Progression).
(a) Find the nth term of this G.P. in terms of n.
(b) How many terms of the above G.P. will give the sum 945 ?