1. Multiple Choice Questions
H7R9U6
1.
If a² + b2 = 61 and ab = 30, then a + b = ?
900
(A)
(B)
61
(C) 961
(D) 11
The value of 462 using the identity (a+b)2 = a² + 2ab + b2 is
2.
(A) 1636
(B)
2116
(C) 2026
(D) 92
Using the identity (a - b)2 = a2 - 2ab + b2, the value of 9 - 5)2
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Answer:
A lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite. On Earth, it is composed of the crust and the portion of the upper mantle that behaves elastically on time scales of thousands of years or greater.
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