`3^2 * 4^2` is equal to ​

Let the sequencea_1,a_2....a_n form and AP. Then a_1^1-a_2^2+a_3^2-a_4^2... is equal to

A tangent to 3x^2 + 4y^2=12 is equally inclined with the coordinate axes. Then the perpendicular distance from the centre of the ellipse to this tangent is

2/3-1/4 is equal to

Evaluate : 2/3 : 4/9 is equal to

(64)^ (-2/3) xx (1/4)^(-2) is equal to :

(24 div 6-2) + (3 xx2 + 4) is equal to- (24 div 6-2) + (3 xx2 + 4) किसके बराबर है ?