If expression a[sin4x + cos4x] – b[sin6x + cos6x] is independent of x such that (a – b)  [1,5] (where a,b  N), then (a + b) belongs to the interval - (A) [1,20] (B) [5,25] (C) [0,25] (D) [5,30]

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If expression a[sin4x + cos4x] – b[sin6x + cos6x] is independent of x such that (a – b)  [1,5] (where a,b  N), then (a + b) belongs to the interval - (A) [1,20] (B) [5,25] (C) [0,25] (D) [5,30]

If expression a[sin4x + cos4x] – b[sin6x + cos6x] is independent of x such that (a – b)  [1,5] (where a,b  N),
then (a + b) belongs to the interval -
(A) [1,20] (B) [5,25] (C) [0,25] (D) [5,30]

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If expression a[sin4x + cos4x] – b[sin6x + cos6x] is independent of x such that (a – b)  [1,5] (where a,b  N), then (a + b) belongs to the interval - (A) [1,20] (B) [5,25] (C) [0,25] (D) [5,30]

If expression a[sin4x + cos4x] – b[sin6x + cos6x] is independent of x such that (a – b)  [1,5] (where a,b  N),then (a + b) belongs to the interval -(A) [1,20] (B) [5,25] (C) [0,25] (D) [5,30]

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If expression a[sin4x + cos4x] – b[sin6x + cos6x] is independent of x such that (a – b)  [1,5] (where a,b  N),
then (a + b) belongs to the interval -
(A) [1,20] (B) [5,25] (C) [0,25] (D) [5,30]