Question

x² + 7x - 1 = 0 या वर्गसमीकरणाच्या विवेचकाची किंमत काढा​

Answer 1

upay he: x= -7x+^53/2, x=-7x-^53/2

Step-by-step explanation:

spastikaran,x2-7x-1=0 roop ka he.

a x^2+b x+c=0 kahan par :

a=1,b=7,c= -1

bivedak dwara diya jaata he : delta= b^2-4.a.c

=(7)^2-(4.(1). -1)

=49+4=53

sutra ka upayog krke samadhan paa sakte he:

x= -b+_ root over delta/2.a

x= -7+are - root over 53/2.1 = -7+are- root 53/2

upay he:

x= -7+ root 53/2

x= -7-root 53/2 (ans)