@JS-M said:If a^2 + b^2 = 1, c^2 + d^2 = 1 and ac + bd = 0, where a, b, c and d are real numbers, then what is the value of a^2 + c^2?(a) 2 (b) 1 (c) 0 (d) Cannot be determined
bhai wo dono questions bhi solve kar do geo wale .......3 me se 1 to kar diya

@sandeepv882 a bull dog was given to her?
@sandeepv882 said: someone gave her a bull dog? passive voice? she was given a bull dog/a bull dog was given to her? which one correct?
@Brooklyn said:wrong hai dude.... 110% sure!! extempore :From dictionarySpoken or done without preparationextempore public speakinghe recited the poem extempore
extempore is coeect,,,,,,,,ad-hoc means made or happening only for a particular purpose
@JS-M said:If a^2 + b^2 = 1, c^2 + d^2 = 1 and ac + bd = 0, where a, b, c and d are real numbers, then what is the value of a^2 + c^2?(a) 2 (b) 1 (c) 0 (d) Cannot be determined
b???
@JS-M said:If a^2 + b^2 = 1, c^2 + d^2 = 1 and ac + bd = 0, where a, b, c and d are real numbers, then what is the value of a^2 + c^2?(a) 2 (b) 1 (c) 0 (d) Cannot be determined
good qn ... four unknowns three eqns... seemed at first that can't be solved...
my approach :
a^2+b^2 +c^2+d^2+2(ac+bd) = 2
(a+c)^2 + (b+d)^2 = 2
........ ????
the roamns expected to conquer carthage. passive
@sandeepv882 said: the roamns expected to conquer carthage. passive
It was expected by Romans to conquer Carthage
@JS-M said:If a^2 + b^2 = 1, c^2 + d^2 = 1 and ac + bd = 0, where a, b, c and d are real numbers, then what is the value of a^2 + c^2?(a) 2 (b) 1 (c) 0 (d) Cannot be determined
my approach
a=0
b=1
c=1
d=0
so all the conditions satisfy
now answer will be
option B
@sandeepv882 said: the roamns expected to conquer carthage. passive
it was expected by the romans to conquer carthage
@sandeepv882 said: the roamns expected to conquer carthage. passive
It was expected by Romans that they would conquer Carthage
is it correct?
@Brooklyn said:It was expected by Romans that they would conquer Carthageis it correct?
yup correct
At Daifu university, 40% of all students are both members of a student organization and
want to reduce their tuition costs. 20% of those students who want to reduce tuition are not
members of the student organization. What percentage of all Daifu students want to reduce
tuition?
(A) 20%
(B) 30%
(C) 40%
(D) 50%
(E) 60%
@cbiofficer said:it was expected by the romans to conquer carthage
it was expected by the romans that they would conquer carthage