Math, asked by Anonymous, 11 months ago

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Anonymous: thanks.....Qqqqq.....????? say.. May Allah reward you with goodness...

Anonymous: what ????? i don't understand..

Anonymous: May Allah reward you with goodness is the style of thanking to someone in islam

Anonymous: & i think..... you are

Anonymous: & i think u r Muslims..... right......?????

Anonymous: yes i am... but you wrote as Qqqqq......???? i don't understand that..

Anonymous: ohhhh....!!!

Anonymous: sis...ur 12th completed / appearing...????

Anonymous: i already completed my higher secondary now i am preparing for ca foundation exams ☺️

Anonymous: Masha Allah

Answers

Answered by Anonymous

asalamu alaikum wa Rahmatullah....sis

PLZ open this attached file....

here is your answer...⬆️ ⬆️

Attachments:

Anonymous: Thanks brother...

Answered by siddhartharao77

Answer:

log 2

Step-by-step explanation:

Given: 7 log(16/15) + 5 log(25/24) + 3 log(81/80)

= 7[log 16 - log 15] + 5[log 25 - log 24] + 3[log 81 - log 80]

= 7[log 2⁴ - log(3 * 5)] + 5[log 5² - log(2³ * 3)] + 3[log 3⁴ - log(2⁴ * 5)]

= 7[4 log 2 - log 3 - log 5] + 5[2 log 5 - 3 log 2 - log 3] + 3[4 log 3 - 4 log 2 - log 5]

= 28 log 2 - 7 log 3 - 7 log 5 + 10 log 5 - 15 log 2 - 5 log 3 + 12 log 3 - 12 log 2 - 3 log 5

= 28 log 2 - 27 log 2 - 7 log 3 + 7 log 3 - 10 log 5 + 10 log 5

= log 2.

Hope it helps!

Anonymous: sir what about the question that i asked to solve? Pls reply me if you don't get the answer i don't ask you anymore sir and thanks for your previous answers.

siddhartharao77: For any doubts please ask in inbox. Sorry!

Anonymous: ok sir...

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= log 2.

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