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Determine the number of ways to choose 5 numbers from the first 18 positive integers such that any 2 differ by at least 2.

3 years ago


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Please mail the question with singly title, so that itn will be visibkle to everyone


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Find the greatest term in the expansion of (7-5x)^2 where x=2/3 Please explain the steps. Thankyou in advance.
Hello Student. Please find the solution (7-5x)^2 = 49 + 25x^2 – 70x so first term = 49 second term = -70*2/3 third term = 25 x^2 = 25*4/9 = 11.11 So 49 is greatest...
Nishant Vora 5 months ago
Sorry sir.. i am extremely sorry.. Actually i typed in the wrong question.. it was (7-5x)^11, where x=2/3.. I am extremely sorry once again. Sir please give me the correct answer for this.
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Thank you! Should have been able to do it myself.
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A lab blood test is 99% effective in detecting a certain disease when it is infact present. However, it also yields a false positive result for 0.5% of the healthy person tested. If 0.1% of...
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