Question

why do we take x =a ?​

Answer 1

if there are two x in question only that time we assume x = a or otherwise it is given in the question that is x =a

Answer 2

Answer:

i donot know....x=a it is not necessary that you alway put the valu of x=a it will change like y,n...more....

Step-by-step explanation:

we take it because of simple to do the question

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