The table shows the operation * on the set {x, y, z, w}.<...
The table shows the operation * on the set {x, y, z, w}.
* | X | Y | Z | W |
X | Y | Z | X | W |
Y | Z | W | Y | X |
Z | X | Y | Z | W |
W | W | X | W | Z |
Find the identity of the element.
W
Y
Z
X
Correct answer is C
From the table, x * z = x, y * z = y, z * z = z and w * z = w
∴ z is the identity element
Differentiate xx+1 with respect to x. ...
The distance s in metres covered by a particle in t seconds is s=32t2−3t. Find i...
A ball is thrown vertically upwards with a velocity of 15ms−1. Calculate the maximum height r...
Find the radius of the circle x2+y2−8x−2y+1=0....
If log3x=log93, find the value of x....
The second and fourth terms of an exponential sequence (G.P) are 29 and \(\frac{8}{81}\...
Find the radius of the circle 2x2+2y2−4x+5y+1=0...
Given that r = (10 N , 200º) and n = (16 N , 020º), find (3r - 2n). ...
A binary operation ♦ is defined on the set R, of real numbers by \(a ♦ b = \fr...