If = 2 then find

If a + b + c = 5, a³ + b³ + c³ = 85 and abc =25, then find the value of a² + b² + c² – ab –bc – ca

If a =-10, b= -6 and c=18, then what is the value of (3abc)/4.

If, p³ + q³= 485 and (p + q = 5), then find the value of [(1/p) + (1/q)]

if a² + b² + c² = 2(4a -5b -6c)-77 , then a-b-c = ?

If (x –4)³+(x–5)³+(x–6)³ = 3(x–4)(x–5)(x–6), Then x = ?

Find the value of ‘x’ in the given expression:

(49/16)^x× (64/343)^x-1 = 4/7

if x² – 2x + 1 = 0, then find the value of (x⁷ + x⁵ + x⁴ + x²)/x ?