Q7 of 127 Page 834

Let

If exists then find the value of a.


Left Hand Limit(L.H.L.):



= 4 (2) – 5


= 8 – 5


= 3


Right Hand Limit(R.H.L.):



= 2 – a


Since it exists,



→ 3 = 2 – a


→ a = 2 – 3


→ a = -1


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