Question
With reference to abundant elements in Earth's Crust,
which among the following is the most abundant metal in the earth's crust?Solution
The most abundant metal in the earth crust is aluminium. Although aluminum is the most abundant metal in the earth's crust, it is never found free in nature. All of the earth's aluminum has combined with other elements to form compounds.
If for non-zero x, x² - 4x - 1 = 0, what is the value of x² + 1/x²?
If, ( a + b = 14 ) and ( a² + b² = 106 ), then find the value of (a³ + b³).
If x2 – 10x + 20 = 0, then find the value of (x – 3)2 + 1/(x – 3)2
If x + 1/x = 5 then find out the value of x⁵ + 1/(x⁵)?
What is the value of (a² + b²+4c²- ab-2bc-2ca) (a + b+2c):
(a+2 )² + (b-5)² + (c+3)² = 0
Find the value of √ (a + b + c) ?
...x = 7 - 4√3 then the value of x³+1/x³ is equal to?
If 2x + y = 10 and 3x - 2y = 5, find the value of x + y.
If ab = -15 and (a2 + b2) = 34, then find the value of (a – b).
If x, y, z are the three factors of a 3– 7a – 6, then value of x + y + z will be
