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3 numbers are in AP. Sum is 15. Sum of the squares of the extremes is 58. Find the series. ...
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∫[x/√(a2-x2)]dx ...
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∫sinxsin(2x)dx ...
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∫[cot(lnx)/x]dx ...
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∫sec2xtanx ...
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∫e3xdx ...
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∫tan(ax)dx ...
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∫(lnx/x)dx ...
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∫[1/(4x-3)]dx ...
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∫(3x-5)ndx ...
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Sum of p terms of an AP is 1/q. And of q terms is 1/p. find the sum of p+q terms. (p≠q) ...
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Find the nth term of the series whose sum to n terms is given by 5n2+6n ...
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Divide 20 into 4 parts that are in AP. Such that the product of 1st and 4th term is to the product of 2nd and 3rd term is 2:3 ...
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For an AP, T1=10, d=-1/3. Find S31-S30 ...
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sum of a few terms of the series 93+90+87+.... is 975. If the last term is -ve . find the last term. ...
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Sum of first n terms of the series 25,22, 19,16,... is 116. Find n? ...
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Tn = 2n+5 som of 1st n terms is given by ...
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For an AP, Tn = n. Sum of the first n terms is given by ...
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a, b, c, d.... are in AP. Given statements below: 1) a+x, b+x, c+x, d+x.... are in AP 2) ax, bx, cx, dx.... are in AP 3) a/x, b/x, c/x, d/x.... are in AP 4) a+ax, b+bx, c+cx, d+dx.... are in AP 5) ax3, bx3, cx3, dx3,..... are ...
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If the pth term of an AP is q. qth term is p. What is p-qth term? ...
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If Tn, Tn+2, Tn+7 are in AP (given that Tn is the nth term of an AP). Which is true? ...
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Sn = n2+2n+1 Which of these is in AP? ...
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7times the 7th term equals 11times the 11th term of an AP. Which term is zero? ...
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Which of these is not an AP? ...
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If the 2nd term times 11 equals 12th term of an AP. What is the common difference? ...
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If we know value T1 and that Tn is of the form a+(n-1)d. Which is true? ...
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The 10th and the 20th term of an AP are known. Which is true? ...
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The coordinates of the midpoint of a triangle are (0,0), (1,1), (-1,1). Find the centroid of the triangle ...
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points (5,5), (12,12) is divided by the point (1,1) in the ratio ...
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points (5,5), (12,12) is divided by the point (8,8) in the ratio ...