Math, asked by priyalsingh30, 10 months ago

x square - 4 x minus 1 is equal to below what is value of D

Answers

Answered by mdehtasham165

2

X²- 4X - 1

D² = b²-4ad

= (-4)²- 4×1×(-1)

= 16+4

=20

D = 2√2

Previous Question

Next Question

Similar questions

Math, 5 months ago

There is a slide in a park. One of its side walls has been painted in some colour wi message "KEEP THE PARK GREEN AND CLEAN" (see Fig. 8.10 ). If the sides o wall are 15 m, 11 m and 6 m, find the area painted in colour.

Social Sciences, 5 months ago

पृथ्वी की भीतरी भाग में स्थित द्रव पदार्थ क्या कहलाता है ...

Science, 5 months ago

deficiency ................ causes weak bones decay...

English, 10 months ago

introduction to euclid's Geometry chapter 5 class 9...

World Languages, 10 months ago

how many vitamins types...

Biology, 1 year ago

why insulin is injected in a diabetic patient. give this answer . iwill mark u as the brainliest...

English, 1 year ago

what is the meaning of threatend...

Math, 1 year ago

two cubes , each of side 15cm are joined to end to end .find the surface area of the resulting cuboid.