Home
Class 11
MATHS
If 4 cos 36^(@) + cot(7(1^(@))/(2)) = sq...

If `4 cos 36^(@) + cot(7(1^(@))/(2)) = sqrt(n_(1)) + sqrt(n_(2)) + sqrt(n_(3)) + sqrt(n_(4)) + sqrt(n_(5)) + sqrt(n_(6))` then the product of the digits in `sum_(i = 1)^(6) n_(i)^(2)` =

Text Solution

Verified by Experts

The correct Answer is:
9
Promotional Banner

Similar Questions

Explore conceptually related problems

If a_(1), a_(2) …… a_(n) are in A.P then (sqrt(a_(1)) + sqrt(a_(n)))/( sqrt(a_(1)) + sqrt(a_(2))) + (sqrt(a_(1)) + sqrt(a_(n)))/(sqrt(a_(2)) + sqrt(a_(3))) + ….. + (sqrt( a_(1)) + sqrt(a_(n)))/( sqrt(a_(n - 1)) + sqrt(a_(n))) =

(sqrt(2)-1)/(sqrt(2))+(3-2sqrt(2))/(4)+(5sqrt(2)-7)/(6sqrt(2))+……oo=

Lt_(n rarr oo)[(sqrt(n))/(sqrt(n^(3)))+(sqrt(n))/(sqrt((n+4)^(3)))+....+(sqrt(n))/(sqrt([n+4(n-1)]^(3)))]

lim_(n to infty) (sqrt(1)+sqrt(2)+ . . . +sqrt(n))/(n^(3//2))=

If a_(1), a_(2), a_(3),…..a_(n) are in A.P where a_(i) gt 0, AA I then (1)/(sqrt(a_(1)) + sqrt(a_(2))) + (1)/(sqrt(a_(2)) + sqrt(a_(3)))+ …+ (1)/(sqrt(a_(n-1)) + sqrt(a_(n))) = (k)/(sqrt(a_(1)) + sqrt(a_(n))) then k=

if a_(n) = sqrt(7+sqrt(7+sqrt(7 +n….))) times, then which one of the following is true ?

underset(n to oo)lim (sqrt(n^(4)+1)-sqrt(n^(4)-1))=

Lt_(x to 0) (""^(n) sqrt(a-x)-""^(n) sqrt(a))/(x)=