1.

Values of x and y satisfying the equationsin ^(7)y = |x^(2) - x^(2) - 9 x + 9|+. |x^(3) - x^(2) - 4 x + 4 | + sec^(2) 2 y + cos ^(4) yare

Answer»

` X = 1, y = N pi, n in I`
` x = 1, y = 2 n pi + (pi)/(2), n in I`
` x = 1 , y = 2 n pi, n in I`
`x = 1 , y = n pi + (pi)/( 2), n in I`

Answer :B


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