(−1311,111)
(1311,111)
(1311,−111)
(1113,111)
(13, 11)
Correct answer is B
3x + 5y = 4, 4x + 3y = 5
3x + 5y = 4 x 4
4x + 3y = 5 x 3
12x + 20y = 16.....(i)
12x + 9y = 15.......(ii)
subtract eqn.(ii) from eqn.(i)
11y = 1
y = 111
12x + 20 x 111 = 16
12x = 15611
x = 1311
= 1311,111
I.S∩T∩W=S II. S ∪ T ∪ W = W III. T ∩ W = S If S⊂T⊂W, which of the above ...
If PST is a straight line and PQ = QS = SR in the diagram, find y. ...
In the diagram, ¯PSand¯QT are two altitudes of ∆PQR. Which...
Find the probability that a number selected at random from 40 to 50 is a prime ...
The median of a distribution can be estimated from ...
In XYZ, |YZ| = 32cm, < YXZ 53o and XZY = 90o. Find, correct to the nearest centimetre, ...
Find the next three terms of the sequence; 0, 1, 1, 2, 3, 5, 8... ...