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For complex number z, the minimum value of |z| + |z - cosa - i sina|+|z - 2(cosa + i sina )| is..? Solution) |z| + |z-(e^ia)| + |z-2(e^ia)| we see.....oigin , e^ia , 2e^ia , forms a straight line.and for minimum value..... z must coincide with e^iahence the equation becomes:=|e^ia| + 0 + |-e^ia|=1 + 0 + 1=2(ANS)
what is sin, cos, and tan?
In polynomials you have seen expressions of the form x 2 + 3x - 4. Also we know that when an expression is equated to zero or some other expression, we cal
1. Consider the relation on A = {1, 2, 3, 4} with relation matrix: Assume that the rows and columns of the matrix refer to the elements of A in the order 1, 2, 3, 4. (a)
[2 5] . [7 8}
Find the number of zeros of the polynomial from the graph given. (Ans:1)
is that rational or irrational number
three times the first of the three consecutive odd integers is 3 more than twice the third integer. find the third integer.
particular solution of equation y''''-3y''-4y=2sinx
R={(r, ?):1=r= 2cos? ,-p/3= ? =p/3
The Geometric Index or Industrial Share index The Geometric Index or Industrial Share index is an index of 30 selected top industrial companies. This is calculated by taking a
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