12.
It is easy all you have to do is 15-3 because 1+2=3
✩ Answer:
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✩ Step-by-step explanation:
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✺ Divide both sides by −3. Since −3 is negative, the inequality direction is changed:
- -3 ÷ -3 = Cancels Out
- Turns into:

✺ Divide −9 by −3 to get 3. Since they are both negatives it turns into a positive:
- -9 ÷ -3 = 3
- Turns into:

✺ Swap sides so that all variable terms are on the left hand side. This changes the sign direction once more:
- Turns into:

✺ Add 2 to both sides:
- Turns into:

✺ Add 3 and 2 to get 5:
- 3 + 2 = 5
- Turns into:

✺ Divide both sides by 5. Since 5 is positive, the inequality direction remains the same:
- 5 ÷ 5 = Cancels Out
- Turns into:

✺ Divide 5 by 5 to get 1:
✺ So your answer is B,
.
(Number line is below.)
Answer:
Step-by-step explanation:
Anything raise to the power zero is 1
Therefore,

LHS = RHS
Hence Proved
<span>lim (x → π/2) (sinx)^(tanx)
= lim (x → π/2) e^[(tanx) ln (sinx)]
= e^ [lim (x → π/2) (tanx) ln (sinx)] ... (1)
lim (x → π/2) (tanx) ln (sinx)
= lim (x → π/2) [ln(sinx) / cotx]
Using L'Hospital'stheorem,
= lim (x → π/2) [- cotx / cosec^2 x]
= 0
Plugging in ( 1 ),
required limit = e^0 = 1
=>Answer is 1.
I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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