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the sides of a triangle are x2 x1 2x1x2-1 prove that the largest angle is 120 degrees and find range of x ans the biggest side is x2 x 1so findout
tan9x tan7x tan2x1 - tan7xtan2xhere its given1 - tan2xtan7x 0impliestan9x infinitysincetan9x 3tan3x - tan33x1 - 3tan2 3x infinityimplies1-
4 boys and 4 girls are to seated in arow ino of girls sit togetheriinot all girls sit together iiiboys and girls are altenate to each other ivif a
the probability that a leap year will have 53 sunday is and how please explain it a17 b 27 c 57 d67sola leap
if an1 bn1an bn is the arithmetic mean of a and b then find nanswerarithmatic mean of ab is ab2 from the problemab2an1 b n1anbn then
sin3x solutionthe formula is right sin3x solutionthe formula is right
the timbuktu post office has only 3 cents and 7 cents stamps having run out of all other denominations what are the six amounts of postage that
q in 3d-geometry give and - signs for xyz in all eight octantsansthere is no specific hard rule for numbering the octants so it makes no real sense
q in a lottery a person chooses six different natural numbers at random 1to 20and if there six numbers match with the six numbers already fixed
tww2lhsww2 w2 w2 1 1 but every third term is of the formw3n w3n222there are nine such terms their sum is 36the remaining are one their sum
in this we have to add the probability of 3 and 5 occuring separtely and subtract prob of 3 and 5 occuring together therefore
we know that amam1 so
a leap year has 366 days therefore 52 weeks ie 52 sunday and 2 days the remaining 2 days may be any of the following i sunday and monday ii
1 the number of accidents attended to by 6 emergency ambulance stations during a 5 month period wasstation may june july aug sep
1 10-2 is equal to2 if 3n 27 what is the value of 4n 1 3 what is 1100 of 10000 4 the formula c59 x f-32 converts centigrade temperature from
1 let the sample space s 1 2 3 4 5 6 7 8 suppose each outcome is equally likely compute the probability of event e an even number is selectedpe 2 a
consider two bags a and b with the following contentsbag abag b3 white marbles4 white marbles2 red marbles3 red marbles5 green marbles3 green
1 a survey was done where a random sample of people 18 and over were asked if they preferred comedies dramas or neither the information gathered was
consider a class of 55 students the student names are placed in a hat and 3 names are randomly drawn without replacementa if the first person drawn
a bag of 28 tulip bulbs contains 12 red tulip bulbs 9 yellow tulip bulbs and 7 purple tulip bulbs two bulbs are selected without replacement
1 at a midway game at the state fair the probability of winning an individual game is advertised to be 30 p 3 suppose 50 people played the game
1 a local factory makes sheets of plywood records are kept on the number of mild defects that occur on each sheet letting the random variable x
verify liouville39393939s formula for y quot-yquot - y39393939 y 0 in 0
the scores of students taking the act college entrance examination are normally distributed with a mean m 201 and a standard deviation s 58a single
using the same mean and standard deviation as mean m 201 and a standard deviation s 58 joe was informed that he scored at the 68th percentile on