the real values of x and y for which the equation (x^4 + 2xi) - (3x^2 + yi) = (3-5i) + (1+ 2yi) is satisfied ,is

Engineering science,mathematics and Technical drawing

how to draw similar triangle?

ans plz only 21 and 22

ans plz

and plx

Ex 15.3 

• The length of a  tree is  root 3times the length  of its shadow. Find the angle of elevation of the sun

A tower stands vertically on the ground from a point on the ground which is 15cm away from the foot of the tower. Angle of elevation of the  top of tower is 60degree. Find the length of the tower

A die is thrown once what is the probability of 

1) getting 6

2) getting an even number 

3) getting a prime no

solve using completing square method