Step-by-step explanation:
x² - 2 = 2^(2/3) + 2^(-2/3)
x² = 2^(2/3) + 2 + 2^(-2/3)
x² = (2^(1/3))² + 2 × 2^(1/3) × 2^(-1/3) +
(2^(-1/3))² (It is in the form of a²+2ab+b²)
x² = (2^(1/3) + 2^(-1/3))²
x = 2^(1/3) + 2^(-1/3)
Answer:
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<span>42 in is 3/4th of 56 in. </span>
<span>3/4th of 24 in. is 18 in. </span>
<span>The length of his friend's shadow at the same time is </span>
<span>b.) 18 in.</span>
Answer:
correct answer options are ; C and D
Step-by-step explanation:
By definition, vertical angles are those that are opposite each other when two lines cross and are equal.
Observing the given options;
C. ∠LRE and ∠FRA
D.∠TRF and ∠NRL
In the other options given, it could have been correct if stated as;
A. ∠ARS and ∠ERO
B. ∠NRA and ∠TRE
Answer:
Step-by-step explanation:
Given that t A, B, and C are invertible matrices of the same
size.
To pr that 
to pr that 
LS=
Thus proved
