Find the roots
of the discriminant of the equation x2+10x-7=0
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1
Answer:
The pitch of the mridangam varies according to its size. Dholak whereas is a derived instrument. ... The body of the instrument is made of one piece of wood. Hollow, the body has two opertures of different size, one, small, that will generate high pitched sounds and another, wider, for low pitched sounds.
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Answer:
x²+10x-7 = 0
a=1 , b=10 ,c=-7
D = b²-4ac
= (10)²-4(1)(-7)
= 100 - (-28)
= 100 + 28
D = 128
x = -b + √D/2a , x = -b-√D / 2a
x = -10 + √128 / 2(1) , x = -10-√128 / 2(1)
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