1.

Let n be the number of terms, d be the degree and k be the constant term of the expansion (x2−√1−x2)4+(x2+√1−x2)4. Then the value of d!n! k! is equal to

Answer» Let n be the number of terms, d be the degree and k be the constant term of the expansion (x21x2)4+(x2+1x2)4. Then the value of d!n! k! is equal to


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