Reliable.redik.in

Q47. xy = xy + 25 Q48. cos (x + y) = log (x – y) Q49. Q50. yex + xey = 7. Q51. If xa yb = (x + y) a + b then show that . Q52. If x7y9 = (x + y)16, then show that . Q53. If x2yk = (x+y)2+k , then show that . Q54. If = , then show that . Q55. If sin y = x sin (5+y), then show that [M-2014] Q56. If xy = ex-y, then show that [M-2014] Q57. If tan ... ................
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