(1+root2)/2 is a rational or irrational number???

my roots are (1+isq.root2)(1-isq.root2) I then used long division: X^4-4X^3+4X^2-9/X^2-X-4...

[root2(cos2pi/11+isin2pi/11)]^4

(root2-root2i)^6

Simplify 3-2*root2 of whole root ??

root over 3+2*root2 value is ????

If root2=1.4 and root3=1.7 find value of 4/3 root3-2 root 2+3/3 root3+2 root 2

From the set A={3,root2,2root3,root9,root7},a number is selected at random.find the probability that...

if tanA=root2-1, prove that (secA.sinA tan squareA-cosecA) =(12-¡Ì5)/2

root3-root2/2

cosx=-root2/3 and x is in quadrant 3 Use identities to find the exact values at x for the remaini...

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