Find the value of the following- 38 5- 38 4- 38 9

(38 )^5× (38 )^4÷ (38 )^9 = (38 )^5 + 4 (38 )^9 = (38 )^9 (38 )^9 = 1 (or) (38 )^9 9 = (38 )^0 = 1 ...

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Laws of Exponents for Real Numbers

Find the valu...

Question

Find the value of the following:
${(\frac{3}{8})}^{5} \times {(\frac{3}{8})}^{4} \div {(\frac{3}{8})}^{9}$

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\frac{27}{x - 2} + \frac{31}{y + 3} = 85

\frac{31}{x - 2} + \frac{27}{y + 3} = 89

a_{3}, a_{4} \dots a_{85}

a_{85} x^{85} + a_{84} x^{84} + . . . + a_{3} x^{3} + {3 x}^{2} + 2 x + 1 = 0

\frac{27}{x - 2} + \frac{31}{y + 3} = 85

\frac{31}{x - 2} + \frac{27}{y + 3} = 89

Find the value of each of the following using the short-cut method:
1. $(25)^{3}$ 2. $(47)^{3}$ 3. $(68)^{3}$ 4. $(84)^{3}$

(- 89^{o}) + c o s (- 87^{o}) + c o s (- 85^{o}) + . . . . . + c o s (85^{o}) + c o s (87^{o}) + c o s (89^{o})

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