If (3^x - 3^{x-1} = 18 ), then the value of (x^x ) is: – McqOptions

MCQOPTIONS

1.	If (3^x - 3^{x-1} = 18 ), then the value of (x^x ) is:
A.	3
B.	8
C.	27
D.	216
Answer» B. 8

Discussion

No Comment Found

Related MCQs

<p><span class="math-tex"> (125 times 125 times 125 times 125 times 125 = 5^? )</span></p>
<p>If <span class="math-tex"> (a^x = b, b^y = c )</span> and <span class="math-tex"> (c^z = a )</span>, then the value of <span class="math-tex"> (xyz )</span> is:</p>
<p>If <span class="math-tex"> (2^{(x-y)} = 8 )</span> and <span class="math-tex"> (2^{(x+y)} = 32 )</span>, then <span class="math-tex"> (x )</span> is equal to:</p>
<p>If <span class="math-tex"> (7^a = 16807 )</span>, then the value of <span class="math-tex"> (7^{(a-3)} )</span> is:</p>
<p>If <span class="math-tex"> (3^x - 3^{x-1} = 18 )</span>, then the value of <span class="math-tex"> (x^x )</span> is:</p>
<p>If <span class="math-tex"> (a^x = b^y = c^z )</span> and <span class="math-tex"> (b^2 = ac )</span>, then <span class="math-tex"> (y )</span> equals:</p>
<p>If <span class="math-tex"> (5^{a}=3125 )</span>, then the value of <span class="math-tex"> (5^{(a-3)} )</span> is:</p>
<p>Given that <span class="math-tex"> (10^{0.48}=x )</span>, <span class="math-tex"> (10^{0.70}=y )</span> and <span class="math-tex"> (x^{z}=y^{2} )</span>, then the value of z is close to:</p>
<p>The value of <span class="math-tex"> ([(10)^{150} div (10)^{146}] )</span></p>
<p><span class="math-tex"> ((256)^{0.16} times (256)^{0.09} = ? )</span></p>